caucase.utils._verifyCertificateChain: Fix support for pyOpenSSL >= 24.3.0

caucase/utils.py

@@ -420,8 +420,11 @@ def _verifyCertificateChain(cert, trusted_cert_list, crl_list):
   for trusted_cert in trusted_cert_list:
     store.add_cert(crypto.X509.from_cryptography(trusted_cert))
   if crl_list:
+    if hasattr(crypto, 'CRL'): # pragma: no cover
+      # BBB: pyOpenSSL < 24.3.0
+      crl_list = [crypto.CRL.from_cryptography(x) for x in crl_list]
     for crl in crl_list:
-      store.add_crl(crypto.CRL.from_cryptography(crl))
+      store.add_crl(crl)
     store.set_flags(crypto.X509StoreFlags.CRL_CHECK)
   try:
     crypto.X509StoreContext(